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Finding the Fourth Proportional to 101,783.93, 152,614.33 and 45,613.67

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Solution

The fourth proportional to 101,783.93, 152,614.33 and 45,613.67 is: 68,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,783.93 : 152,614.33 = 45,613.67 : x
  2. Step 2: Convert to fraction form
    101,783.93/152,614.33 = 45,613.67/x
  3. Step 3: Cross multiply
    101,783.93x = 152,614.33 × 45,613.67
  4. Step 4: Simplify right side
    101,783.93x = 6,961,298,808.79
  5. Step 5: Solve for x
    x = 6,961,298,808.79/101,783.93
  6. Step 6: Final answer
    x = 68,392.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.